Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 71, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 20, 1990, 1:02 AM CDT for Gentry County, Nodaway County, Missouri. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1990, 1:02 AM CDT (06:02 UTC)
- Expired
- Jun 20, 1990, 2:00 AM CDT
- In force
- 58 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Gentry County, MO, Nodaway County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 6.0 hours before the alert went out and 166 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3973 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2077 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 44.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 200602
SVRMCI
MOC063-075-147-200700-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
102 AM CDT WED JUN 20 1990
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST MISSOURI
...NORTHERN DEKALB...GENTRY...SOUTHERN NODAWAY
AT 100 AM CDT...RADAR INDICATED SEVERE THUNDERSTORMS 10 MILES
SOUTHWEST OF MARYVILLE MISSOURI AND 10 MILES WEST OF KING CITY
MISSOURI...LOCATED ABOUT 15 MILES NORTH OF ST. JOSEPH MISSOURI. THESE
SEVERE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 MPH...AND ARE
EXPECTED TO MOVE ACROSS THE KING CITY AND CONCEPTION JUNCTION MISSOURI
AREAS BEFORE 130AM.
HEAVY RAINFALL EXPECTED WITH THESE SEVERE THUNDERSTORMS COULD ALSO
CAUSE STREET FLOODING AND RISES ON SMALL CREEKS AND STREAMS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
POOLEWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 19, 8:05 PM CDT, 4 hours 57 minutes before
MOZ001-004-200200- SPECIAL WEATHER STSTEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 800 PM CDT TUE JUN 19 1990 A FLASH FLOOD WATCH CONTINUES FOR NORTHWEST MISSOURI... THUNDERSTOFRMS ARE EXPECTED LATER TONITE ACROSS NORTHWEST MISSOURI... JUST A LITTLE LATER THAN EARLIER THOUGHT. THE SOIL IS NEARLY SATURATED FROM RECENT HEAVY RAINS...AND ADDITIONAL HEAVY RAIN COULD PRODUCE FLASH FLOODING.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 1:02 AM CDT | Severe Thunderstorm Warning | EAX | DeKalb | 58 min |
| Jun 20, 2:04 AM CDT | Flash Flood Warning | EAX | Holt, Nodaway | 3 hr |
| Jun 20, 2:04 AM CDT | Flash Flood Warning | EAX | Gentry, Harrison | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.